Block Diagram -Display Section - Sony CDX-GT50UMS Service Manual

CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
4-2. BLOCK DIAGRAM – DISPLAY Section –
SYSTEM CONTROL
IC501 (2/2)
KEYIN1
KEY MATRIX 94
LSW905–912,
S901–907 95 KEYIN0
LCD_CLK
92 KEYACK1
RE901
PUSH ENTER/SELECT
(VOLUME)
ROTARY RE0
82 RE-IN0
ENCODER RE1
81 RE-IN1
18 RC_IN1
J801
97 RC_IN0
(REMOTE IN)
91 KEYACK0
10 XIN
X502
32.768kHz
11 XOUT
15 OSCIN
X501
SYNC_OUT
7.92MHz
13 OSCOUT
REMOTE
CONTROL
4 SIRCS
SIGNAL 3
RECEIVER
IC902
USB_OVR
3 NOSE_SW
LCD DRIVER,LED CONTROL
IC901
5
|
SEG48
50 LCD901
I
55
SEG1
LCD_SO 1 64 DATA LIQUID
PANEL+B
60
CRYSTAL
2 63 CLK LCD
DISPLAY
LCD_CE CE
100 62
PANEL
COM4 51
I
|
COM1
54
DIMMER 2
COLOR 1 3
COLOR 2 4
USB VBUS POWER SUPPLY
IC601
BATT 2 VIN HSDSW
12
HSDSW
13
26 8 SYN/EN
USB ON 50 9 HSDCTL
52 10 FLG
16 16
LED903,905,907,909,
910,912,914,916,919,
LED901
921,925,928,929,932,
(LCD BACK LIGHT)
934,936,938,940,
LSW905 (1/2)–LSW912 (1/2)
Q901
Q903
LCD BACK LIGHT EXCEPT
LED
DIMMER AR MODEL
DRIVER
CONTROL
L602
CN701
(2/2)
CD
1
MECHANISM
USB D+
15
UNIT
USB D–
(MG-101N)
(2/2)
AR MODEL
LED902,904,906,908,
911,913,915,917,918,
920,923,924,926,931,
933,935,937,939,
LSW905 (2/2)–LSW912 (2/2)
Q904
LED
DRIVER
S P
: USB
A
AR : A
VBUS
CN902
1
D+
3
D–
2
4
(USB)